1. Ames R.N., Reid C.P.P., Ingham E.R.: Rhizosphere bacterial population responses to root colonization by a vesicular arbuscular mycorrhizal fungi.New Phytol. 96, 245–255 (1984).
2. Azcón R.: Selective interaction between free living rhizosphere bacteria and vesicular-arbuscular mycorrhizal fungi.Soil Biol. Biochem. 21, 639–644 (1989).
3. Barea J.M., Azcón-Aguilar C.: Mycorrhizas and their significance in nodulating nitrogen fixing plants.Adv Agron. 36, 1–54 (1983).
4. Barea J.M., Azcón R., Hayman D.S.: Possible synergistic interactions between Endogone and phosphate solubilizing bacteria in low phosphate soils, pp. 409–417 in F.E. Sanders, B. Mosse, P.B. Tinker (Eds):Endomycorrhizas. Academic Press, London 1975.
5. Barea J.M., Azcón-Aguilar C.: Interactions between mycorrhizal fungi and soil microorganisms, pp. 181–193 in S. Gianinazzi, V. Gianinazzi-Pearson, A. Trouvelot (Eds):Les Mycorhizes: Biologie et Utilisation. INRA, Service des Publications, Paris 1982.